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Boxplots of uncorrected, unidirectional corrected and bidirectional corrected rCBV values from left to right (A) for enhancing glioma (n = 35) (dark gray) and for nonenhancing glioma (n = 14) (light gray) in TCIA dataset; (B) for enhancing glioma (n = 20) (dark gray) and nonenhancing glioma (n = 27) (light gray) in EMC dataset. *Significantly different, p < 0.05.
